Set the new event loop

Signed-off-by: Bob Haddleton <bob.haddleton@nokia.com>

Author: bobh66

crossplane/function/runtime.py

@@ -99,6 +99,7 @@ def serve(
         loop = asyncio.get_event_loop()
     except RuntimeError:
         loop = asyncio.new_event_loop()
+        asyncio.set_event_loop(loop)
 
     server = grpc.aio.server(options=options)